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ISO 497:1973

Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers

Publication date:   May 1, 1973

General information

90.60   Close of review   Jun 5, 2025

ISO

ISO/TC 19 Preferred numbers

International Standard

17.020   Metrology and measurement in general

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Scope

This is an additional guide to ISO 17 for selecting specified series with more rounded values. It shows the conditions for the use of these preferred numbers.

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PUBLISHED
ISO 497:1973
90.60 Close of review
Jun 5, 2025